[Event "85th Tata Steel Challengers 2023"] [White "Vaishali,Rameshbabu"] [Black "Yilmaz,Mustafa"] [Site "Wijk aan Zee"] [Round "9.2"] [Annotator "TA"] [Result "0-1"] [Date "2023.01.24"] [WhiteElo "2425"] [BlackElo "2609"] [PlyCount "68"] [TimeControl "60"] {[%evp 11,68,24,20,14,19,8,0,0,22,-35,12,23,35,-35,-41,-43,-35,-57,-42,-43,-46,-73,-25,-96,-89,-91,-91,-204,-201,-196,-193,-197,-165,-199,-195,-376,-93,-107,-131,-245,-213,-372,-372,-460,-461,-393,-230,-448,-377,-563,-556,-827,-828,-1164,-792,-2071,-2018,-1778,-1757]} 1. e4 {[%emt 0:0:18]} c5 {[%emt 0:0:8]} 2. Nf3 {[%emt 0:0:4]} d6 {[%emt 0:0:4]} 3. d4 {[%emt 0:0:4]} cxd4 {[%emt 0:0:3]} 4. Nxd4 {[%emt 0:0:5]} Nf6 {[%emt 0:0:5]} 5. Nc3 {[%emt 0:0:5]} a6 {[%emt 0:0:5]} 6. Bg5 {[%emt 0:0:5]} Nbd7 {[%emt 0:1:15]} 7. Be3 {[%emt 0:0:27] B94: Sicilian Najdorf: 6 Bg5 Nbd7.} Qc7 {[%emt 0:9:7]} 8. g4 {[%emt 0:1:27] With the idea g5.} h6 {[%emt 0:1:47]} 9. a4 {[%emt 0:1:2] [#] The position is equal.} e6 $146 {[%emt 0:24:43]} ({Predecessor:} 9... b6 10. Bg2 Bb7 11. h4 Ne5 12. g5 hxg5 13. hxg5 Rxh1+ 14. Bxh1 Nfd7 15. Nd5 Bxd5 16. exd5 {1-0 Kochavi,O (2356)-Leib,Y (1673) Ramat Gan Shavuot Rapid 2022 (5)} )10. h4 {[%emt 0:7:18]} (10. Qe2 $11 )h5 {[%emt 0:13:39]} (10... d5 $15 )11. g5 $11 {[%emt 0:1:21]} Ng4 {[%emt 0:0:35] [#]} 12. g6 {[%emt 0:9:58]} Nde5 $15 {[%emt 0:4:3]} 13. gxf7+ {[%emt 0:0:14]} Qxf7 {[%emt 0:0:11]} 14. Qe2 {[%emt 0:5:19]} Nxe3 {[%emt 0:0:55]} 15. fxe3 {[%emt 0:11:57]} Bd7 {[%emt 0:2:20]} 16. O-O-O {[%emt 0:5:50]} O-O-O {[%emt 0:3:39]} (16... Be7 $17 )17. Bh3 {[%emt 0:6:53]} (17. Qd2 $11 )Be7 $17 {[%emt 0:2:8]} 18. Rdf1 {[%emt 0:2:43]} Bf6 {[%emt 0:7:41]} 19. Rhg1 {[%emt 0:15:45]} (19. Qd2 $17 {was worth a try.} )Qe7 $19 {[%emt 0:6:2]} 20. Rf4 {[%emt 0:17:25]} Kb8 {[%emt 0:2:33]} (20... Bxh4 21. Nxe6 Bxe6 22. Bxe6+ (22. Nd5 Bxh3 23. Nxe7+ Bxe7 $17 )Qxe6 23. Rxh4 $17 )21. Qe1 {[%emt 0:1:11]} Rh6 {[%emt 0:1:48]} 22. Nce2 {[%emt 0:5:45]} Ng6 {[%emt 0:6:31][%cal Ye5g6,Yg6h4,Yh4g2,Yg2e3,Ye3c2,Yc2a1][%mdl 32]} (22... Bxa4 23. Bxe6 g5 24. hxg5 Bxg5 25. Nc3 Bxf4 26. exf4 $11 )23. Qb4 $2 {[%emt 0:5:30]} (23. Rxf6 {was necessary.} Qxf6 24. Rg5 )Rc8 $2 {[%emt 0:3:0]} ({And not} 23... Nxh4 24. Rxf6 Rxf6 25. e5 $15 )(23... Bxh4 24. Bxe6 Nxf4 25. Nxf4 $11 )({But not} 23... Nxf4 $2 24. Nxf4 Bxd4 25. exd4 $19 )(23... Bxd4 $19 {and Black stays clearly on top.} 24. exd4 Nxf4 25. Nxf4 Qxh4 26. Qxd6+ Ka8 )24. Rxf6 $17 {[%emt 0:8:0]} gxf6 {[%emt 0:2:9]} 25. Qb3 {[%emt 0:0:4]} (25. b3 $17 {might work better.} )Nxh4 $19 {[%emt 0:4:48] aiming for ...e5.} 26. Nxe6 {[%emt 0:1:31]} (26. Nf4 )Rg6 {[%emt 0:4:59] Threatens to win with ...Rxg1+.} 27. Rd1 {[%emt 0:0:29] [#]} Rg2 $1 {[%emt 0:1:58][%mdl 576] Deflection} 28. N2d4 {[%emt 0:0:55]} ({Much worse is} 28. Bxg2 Bxe6 29. Qd3 Nxg2 $19 )Rg3 {[%emt 0:3:10]} (28... Rh2 $142 29. Bf5 Nf3 )29. Bf1 {[%emt 0:1:34]} (29. Rh1 )Bxe6 {[%emt 0:1:16]} 30. Nxe6 {[%emt 0:0:2]} (30. Qxe6 $142 Qxe6 31. Nxe6 )Ng2 {[%emt 0:0:58] Black is clearly winning.} 31. Bxa6 {[%emt 0:1:55]} Nxe3 {[%emt 0:1:3]} 32. Rd3 {[%emt 0:0:39] [#]} Nxc2 $1 {[%emt 0:2:46]} 33. Kd2 {[%emt 0:0:30]} (33. Rc3 Ne3 )Na1 {[%emt 0:0:44]} 34. Qb6 {[%emt 0:0:27]} Rc6 {[%emt 0:0:36][%mdl 64] Skewer. A brilliant game! Weighted Error Value: White=1.05/Black=0.66} 0-1